HZAU 1005 Balance

原题
参考
知道了这个 剩下就是打表了

#include <cstdio>#include <cstring>#include <cmath>#include <iostream>using namespace std;const int MAX_N = 45;int main(){  int n = MAX_N;  long long a[MAX_N];  for (int i = 0; i < n; i++)    a[i] = (pow(3, i) - 1) / 2;  int t;  scanf("%d", &t);  for (int i = 0; i < t; i++) {    long long x;    cin >> x;    for (int j = 0; j < n; j++) {      if (x <= a[j]) {        cout << j << endl;        break;      }    }  }}